#include <iostream>
using namespace std;

int main(int argc, char const *argv[])
{
    int a = 0;
    // int b = 0;

    cout << "请输入一个数" <<endl;
    cin >> a ;

    if(a < 0)
    {
        cout << "您输入的数小于零" << a <<endl;
    }
    else if(a == 0)
    {
        cout << "您输入的数为“ 0 "<< a <<endl;
    }
    else
        cout << "您输入的数大于零" << a <<endl;

    return 0;
}
